Hola a todos, espero me puedan ayudar, les presento mis dos codigos:
 
CCS:
 
@charset "utf-8";
/* CSS Document */
#MyDiv {margin : 10px 10px 10px 10px;}
 
/* IE6 Only */
* html #MyDiv {margin : 5px 5px 5px 5px;}
 
/* IE7 Only */
*:first-child+html #MyDiv {margin : 2px 2px 2px 2px;} 
body {
	font-family: "lucida grande", "Dejavu Sans", Tahoma, Verdana, Geneva, sans-serif;
 
	color: #000;
	background-attachment: fixed;
 
	background-repeat:repeat-x;
	clear: left;
	border: 1;
 
}
.bodyform{
	/*background:#EFEFEF;*/
	/*background: url(../imagenes/fondoForm.bmp) repeat-y;*/
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	boder:0px;
	margin:0px;
	padding:0px;
 
	/*background:url(../imagenes/fondo.jpg) repeat-y;*/
	background-position:0 right;
}
#contenedor
{
margin: 0 auto;
width: 100%;
height:865px;
position: fixed;
background-position:center center;
 
}
 
 
 
#banner
{
position: relative;
	height: 15%;
	width: 100%;
	visibility: visible;
	z-index: 3;
	margin:auto;
	background-image:url(../imagenes/bannertt1.jpg);
	background-position: center;
	background-repeat: no-repeat;
padding-left:30px;
 
}
#pie
{
    position: relative;
	height: 15%;
	width: 100%;
	visibility: visible;
	z-index: 3;
	margin:auto;
	background-image:url(../imagenes/foot_pdf.jpg);
	background-position: center;
	background-repeat: no-repeat;
    padding-left:30px;
 
 
}
#menu
{
 
	width: 15px;
	height: 45px;
	position:!important;
	left: 0px;
	z-index: 9;
 
 
 
}
.menu2
{
	position: relative;
	height:2.5%;
	width:76%;
	visibility: visible;
	z-index: 3;
	margin:auto;
	background-image:url(../imagenes/bsuper.png);
	background-position: center;
	background-repeat: no-repeat;
    padding-left:30px;
	float:none;
 
 
 
}
.fecha{
	font-size: 13px;
	font-family: Arial, Helvetica, sans-serif;
	font-style:italic;
	color:#378257;
	font-weight:bold;
	position: relative;
	visibility: visible;
	margin:auto;
	background-position: center;
	background-repeat: no-repeat;
    padding-left:30px;
 
 
}
.top
{
 
float:left; 
display:inline;
font-size: 13px;
font-family: Arial, Helvetica, sans-serif;
font-style:italic;
color:#378257;
font-weight:bold;
position: relative;
visibility: visible;
margin:auto;
background-position: center;
background-repeat: no-repeat;
padding-left:30px;
 
}
 
.menu3
{
padding:0; 
margin:0;
margin-bottom:0; 
list-style:none; 
height:25px; 
position:relative;
font-family:arial, verdana, sans-serif; 
}
#contenido
{
 
	height: auto;
	width: 100%;
    background-image:url(../index/intermedio.png);
	background-position: center center;
	background-repeat: no-repeat;
 
}
#lateral
{
height:610px;
width:320px;
background-image:url(../index/lateral.png);
background-repeat:no-repeat;
background-position:left;
}
 
 
 
.colorTitulo {
	color: #000000;
	font-weight: bold;
	background: #ffffff url(../imagenes/tbar.gif) center center repeat-x;
	font-size: 12px; 
	height: 33px;
	padding-top:5px;
}
 
.colorPie{
background: #000000  url(../imagenes/bbar.gif) repeat-x ;
font-weight: bold;
 
}
 
.login
{
font-size:12px;
width:30%;
margin: 0 auto;
 
vertical-align:bottom;
padding-left:18px;
margin-left:auto;
margin-right:auto;
clear: both;
 
}
.margentabla
{
border:#000;
 
}
.tablamilista
{
font-size: 10px;
font-family: Arial, Helvetica, sans-serif;
text-align:center;
 
}
.grafica
{
width: 800px; 
height: 400px;
margin: 0 auto;
 align="center;
 
}
 
y mi HTML:
 
<?php
session_start();
header('Content-Type: text/html; charset=ISO-8859-1');
if((isset($_SESSION['privilegio']))	)
{
echo "
<script>
location.href='inicio.php';
</script>
 
";
}
else
{
?>
 
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 
<link rel="stylesheet" type="text/css" href="../css/estilos.css"/>
<link rel="shortcut icon" href="../imagenes/favicon.ico" type="image/x-icon" />
<script language="javascript" type="text/javascript" src="../js/validaciones.js"></script>
<title>Sistema BRP</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
</head>
 
<body>
<div id="contenedor">
<div id="banner">
</div>
<div class="menu2">
<li class="top">
					<label class="fecha">    
					<font color="#FFFFFF">
					<?php 
						setlocale(LC_TIME,"spanish"); 
						$hoy=strftime("%A, %d de %B de %Y");
						echo $hoy;
					?>
					</font>
 
					</label>
				</li>
 
 
</div>
<div id="contenido">
<form action="sesion.php" id="formulario" name="formulario" method="POST"  Accept-Charset="ISO-8859-1">
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<table border="0" class="login" align="center" cellspacing="10px" cellpadding="5px">
  <tr>
    <td colspan="2" align="center" class="colorTitulo">ACCESO </td>
  </tr>
  <tr>
    <td width="59" style="padding-left:80px">Login:</td>
    <td width="200"><input type="text" name="login" id="login"  /></td>
  </tr>
  <tr>
    <td style="padding-left:80px">Clave:</td>
    <td><input type="password" name="clave" id="clave" /></td>
  </tr>
  <tr>
    <td colspan="2" align="center" class="colorPie"><input  type="submit" name="boton" id="boton" value="Acceso"/></td>
  </tr>
</table>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
</form>
 
</div>
 
 
 
 
 
<div id="pie" align="center">
</div>
</div>
 
</body>
</html>
<?php
}
?>
 
Bien, El problema es el siguiente, que las tablas de login al igual que la fecha, se expanden, se estiran, pero si yo achico la pantalla (CTRL+rueda del raton hacia arriba), no se expande si no que mantiene el formato, pero si hago (CTRL+rueda del raton hacia abajo) la tabla se expande demasiado y la fecha se corre.
 
Me podrian ayudar con ese problema? tengo 2 semanas e intentado de todo con eso. Gracias 
  
 

